S
M
T
W
T
F
S
30
75°
57°
31
77°
58°
1
82°
58°
2
82°
52°
3
81°
49°
4
73°
55°
5
73°
57°
6
81°
50°
7
75°
47°
8
72°
47°
9
71°
53°
10
72°
55°
11
71°
56°
12
79°
54°
13
78°
49°
14
72°
46°
15
68°
45°
16
67°
48°
17
68°
45°
18
67°
43°
19
68°
41°
20
66°
42°
21
65°
48°
22
66°
46°
23
72°
42°
24
70°
49°
25
72°
50°
26
69°
50°
27
73°
48°
28
73°
42°
29
70°
44°
30
61°
46°
1
66°
45°
2
70°
47°
3
67°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Friendship
Friendship's September 2026 forecast shows daily high temperatures ranging from 61° to 82°, with overnight lows between 41° and 58°. The average high for September is 72° with an average low of 49°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Friendship. See also: October | November | December.